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2023.06.26
What are the requirements for the installation of industrial plugs and sockets?
1. The insulation layer of each wire core should be complete, and it is not allowed to be exposed in the inner cavity of the plug. The connection between the core head and the terminal must be correct.
2. The minimum cross-sectional area of the core wire shall not be less than 0.2 square meters for mobile electrical appliances for living; it shall not be less than 0.5 square meters for mobile electrical appliances.
3. The end of the power supply lead must be firmly pressed in the plug; for a plug without a pressure plate structure, a buckle should be knotted at the end so that the connection between the core wire and the industrial plug does not directly withstand the tension of the lead.
4. The black or yellow-green core wire in the two-strand or four-strand wire is the ground wire, and the core wire of other colors cannot be used as the ground wire; it is not allowed to add an insulated wire outside the sheath of the double-strand or three-strand sheathed flexible wire As a ground wire.
Power plugs can be roughly divided into conversion power plugs, injection molded power plugs, and assembled power plugs.
Conversion power plug: The standard of the power plug in each country is different. For example, if the power plug from China is in the United States, it cannot be used. A convers...
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